Risk Factors Influencing Conception Rate in Holstein Heifers before Artificial Insemination or Embryo Transfer

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M. Yusuf; T. Nakao; S. T. Long; S. Fujita;

The objective of this study was to show the risk factors affecting the conception rate in Holstein heifers after synchronization of estrus. A total of 275 Holstein heifers housed in a free barn were used for the experiment. The herd was visited regularly at four week in... View more
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